211281616

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{151}}^1$

素因数の和:241

約数の個数: 120

約数和(自身を含む): 524049792

約数和(自身を除く): 312768176

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 151, 182, 208, 217, 248, 302, 364, 403, 434, 496, 604, 728, 806, 868, 961, 1057, 1208, 1456, 1612, 1736, 1922, 1963, 2114, 2416, 2821, 3224, 3472, 3844, 3926, 4228, 4681, 5642, 6448, 6727, 7688, 7852, 8456, 9362, 11284, 12493, 13454, 13741, 15376, 15704, 16912, 18724, 22568, 24986, 26908, 27482, 31408, 32767, 37448, 45136, 49972, 53816, 54964, 60853, 65534, 74896, 87451, 99944, 107632, 109928, 121706, 131068, 145111, 174902, 199888, 219856, 243412, 262136, 290222, 349804, 425971, 486824, 524272, 580444, 699608, 851942, 973648, 1015777, 1160888, 1399216, 1703884, 1886443, 2031554, 2321776, 3407768, 3772886, 4063108, 6815536, 7545772, 8126216, 13205101, 15091544, 16252432, 26410202, 30183088, 52820404, 105640808, 211281616]

約数ペア:

[(1, 211281616), (2, 105640808), (4, 52820404), (7, 30183088), (8, 26410202), (13, 16252432), (14, 15091544), (16, 13205101), (26, 8126216), (28, 7545772), (31, 6815536), (52, 4063108), (56, 3772886), (62, 3407768), (91, 2321776), (104, 2031554), (112, 1886443), (124, 1703884), (151, 1399216), (182, 1160888), (208, 1015777), (217, 973648), (248, 851942), (302, 699608), (364, 580444), (403, 524272), (434, 486824), (496, 425971), (604, 349804), (728, 290222), (806, 262136), (868, 243412), (961, 219856), (1057, 199888), (1208, 174902), (1456, 145111), (1612, 131068), (1736, 121706), (1922, 109928), (1963, 107632), (2114, 99944), (2416, 87451), (2821, 74896), (3224, 65534), (3472, 60853), (3844, 54964), (3926, 53816), (4228, 49972), (4681, 45136), (5642, 37448), (6448, 32767), (6727, 31408), (7688, 27482), (7852, 26908), (8456, 24986), (9362, 22568), (11284, 18724), (12493, 16912), (13454, 15704), (13741, 15376)]